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SR201C104MAT Equivalent & Substitute Parts
Part Overview
The SR201C104MAT is a 0.1 µF ±20% 100V X7R ceramic capacitor in radial through-hole configuration, manufactured by KYOCERA AVX under the SkyCap® SR series. This component is actively produced and widely used in general-purpose applications requiring stable capacitance across the -55°C to 125°C operating range. Equivalent and substitute parts are necessary when the original part becomes unavailable, when alternative packaging or tolerance specifications are required, or when design flexibility demands components from different manufacturers while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 0.1 µF |
| Tolerance | ±20% |
| Voltage Rating | 100V |
| Temperature Coefficient | X7R |
| Operating Temperature Range | -55°C to 125°C |
| Mounting Type | Through Hole |
| Package Type | Radial |
| Lead Spacing | 0.100" (2.54mm) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the SR201C104MAT is determined by strict adherence to the following electrical and mechanical parameters:
Mandatory Matching Parameters:
- Capacitance: 0.1 µF (exact)
- Voltage Rating: 100V (minimum)
- Temperature Coefficient: X7R
- Operating Temperature Range: -55°C to 125°C (minimum)
- Mounting Type: Through Hole
- Package Type: Radial
- RoHS Compliance: ROHS3 Compliant
Allowable Variations:
- Tolerance: ±20% (original) to ±10% (tighter tolerance acceptable as upgrade)
- Lead Spacing: 0.098" to 0.100" (minor dimensional variation within PCB layout tolerance)
- Lead Style: Straight or Formed Leads (both acceptable for through-hole mounting)
- Physical Dimensions: Minor variations in length, width, and height permitted within standard radial package envelope
Substitute parts are grouped into three categories: Upgrade parts (tighter tolerance ±10%), Direct equivalents (matching ±20% tolerance), and Manufacturer-recommended alternatives (same tolerance with different lead configuration).
Parameter Comparison
| Part Number | Manufacturer | Capacitance | Tolerance | Voltage | Temp Coeff | Temp Range | Lead Spacing | Lead Style | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| SR201C104MAT | KYOCERA AVX | 0.1 µF | ±20% | 100V | X7R | -55°C to 125°C | 0.100" | Straight | Active | 977 Pcs |
| SR201C104KAA | KYOCERA AVX | 0.1 µF | ±10% | 100V | X7R | -55°C to 125°C | 0.100" | Straight | Active | 6227 Pcs |
| SR201C104KAR | KYOCERA AVX | 0.1 µF | ±10% | 100V | X7R | -55°C to 125°C | 0.100" | Straight | Active | 16866 Pcs |
| K104M20X7RH53L2 | Vishay Beyschlag | 0.1 µF | ±20% | 100V | X7R | -55°C to 125°C | 0.098" | Straight | Active | 12206 Pcs |
| C315C104K1R5TA | KEMET | 0.1 µF | ±10% | 100V | X7R | -55°C to 125°C | 0.100" | Straight | Active | 3312 Pcs |
| FK14X7R2A104KN020 | TDK Corporation | 0.1 µF | ±10% | 100V | X7R | -55°C to 125°C | 0.098" | Formed Leads | Not For New Designs | 1091 Pcs |
| K104K20X7RH53K2 | Vishay Beyschlag | 0.1 µF | ±10% | 100V | X7R | -55°C to 125°C | 0.098" | Formed Leads - Kinked | Active | 20350 Pcs |
| K104K20X7RH53L2 | Vishay Beyschlag | 0.1 µF | ±10% | 100V | X7R | -55°C to 125°C | 0.098" | Straight | Active | 9275 Pcs |
| RDER72A104K1P1H03B | Murata Electronics | 0.1 µF | ±10% | 100V | X7R | -55°C to 125°C | 0.098" | Formed Leads | Active | 1780 Pcs |
| RDER72A104K1S1H03A | Murata Electronics | 0.1 µF | ±10% | 100V | X7R | -55°C to 125°C | 0.098" | Formed Leads | Active | 4729 Pcs |
| C322C104M1R5TA | KEMET | 0.1 µF | ±20% | 100V | X7R | -55°C to 125°C | 0.200" | Formed Leads | Active | 2673 Pcs |
Engineering Selection Recommendations
Primary Substitutes (Recommended for New Designs):
SR201C104KAR and SR201C104KAA from KYOCERA AVX are the preferred substitutes, offering the same manufacturer lineage, identical lead spacing (0.100"), and active product status. Both provide tighter tolerance (±10%) compared to the original ±20%, ensuring superior capacitance stability. SR201C104KAR has the highest inventory availability (16866 Pcs).
Cross-Manufacturer Alternatives (Active Status):
K104K20X7RH53L2 (Vishay Beyschlag) and K104M20X7RH53L2 (Vishay Beyschlag) are electrically equivalent with active product status. K104K20X7RH53L2 offers ±10% tolerance with 9275 Pcs in stock. Both use 0.098" lead spacing, requiring PCB layout verification for compatibility.
C315C104K1R5TA (KEMET) provides ±10% tolerance with 0.100" lead spacing matching the original, ensuring direct PCB compatibility. Product status is active with 3312 Pcs available.
RDER72A104K1P1H03B and RDER72A104K1S1H03A (Murata Electronics) are active products with ±10% tolerance. Both use 0.098" lead spacing and formed leads, requiring mechanical clearance verification.
Not Recommended for New Designs:
FK14X7R2A104KN020 (TDK Corporation) carries "Not For New Designs" status and should not be selected for new applications despite meeting electrical specifications.
Lead Spacing Consideration:
C322C104M1R5TA (KEMET) uses 0.200" lead spacing, differing from the original 0.100" spacing. This part is suitable only when PCB layout accommodates the wider lead pitch.
Frequently Asked Questions (FAQ)
Q: Can I substitute SR201C104MAT with a part having ±10% tolerance instead of ±20%?
A: Yes. A tighter tolerance (±10%) is an acceptable upgrade. The substitute will provide superior capacitance stability while maintaining all other electrical and mechanical specifications. Parts such as SR201C104KAR, C315C104K1R5TA, and K104K20X7RH53L2 meet this criterion.
Q: What is the significance of lead spacing differences (0.098" vs 0.100")?
A: Lead spacing determines PCB hole pattern compatibility. The original SR201C104MAT uses 0.100" spacing. Substitutes with 0.098" spacing (Vishay and Murata parts) require verification that PCB mounting holes accommodate the narrower pitch. Measure existing PCB hole spacing before selecting these alternatives.
Q: Are formed leads and straight leads interchangeable?
A: Both lead styles are acceptable for through-hole mounting. Straight leads (SR201C104KAR, K104M20X7RH53L2) insert directly into PCB holes. Formed leads (K104K20X7RH53K2, RDER72A104K1P1H03B) are pre-bent for specific lead spacing and require matching PCB hole patterns. Verify mechanical clearance and lead configuration compatibility with your assembly process.
Q: Why is FK14X7R2A104KN020 marked "Not For New Designs"?
A: This TDK part is in legacy status, indicating the manufacturer no longer recommends it for new circuit designs. While electrically equivalent, it should be avoided for new applications to ensure long-term supply chain stability and manufacturer support.
Q: Can I use C322C104M1R5TA as a direct replacement?
A: C322C104M1R5TA is electrically equivalent but uses 0.200" lead spacing compared to the original 0.100". This part is suitable only if your PCB layout accommodates the wider lead pitch. Verify hole spacing before selection.
Q: Which substitute offers the best inventory availability?
A: SR201C104KAR (KYOCERA AVX) provides the highest inventory with 16866 Pcs in stock, followed by K104K20X7RH53K2 (Vishay Beyschlag) with 20350 Pcs. Both are active products with ±10% tolerance.
Q: Are all substitutes ROHS3 compliant?
A: Yes. All listed substitute parts carry ROHS3 Compliant status, matching the original SR201C104MAT compliance requirement.
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